657
Participants
Start Date
November 1, 2017
Primary Completion Date
September 10, 2021
Study Completion Date
September 24, 2021
Dose fraction forms
The investigators divide the participants randomly into 3 groups by SPSS 19.0.Three groups participants receive the different dose fraction(49Gy/7f,54Gy/6f and 55Gy/5f),which also means different Biologic Equivalent Dose.Through the research,the investigators want to find out the optimum dose fraction method,which makes the treatment safe, effective and personalized.
CyberKnife, Beijing
Beijing 302 Hospital
OTHER